Home / 2,916.96-4,026.42-2,477.40

Finding the Fourth Proportional to 2,916.96, 4,026.42 and 2,477.40

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Solution

The fourth proportional to 2,916.96, 4,026.42 and 2,477.40 is: 3,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.96 : 4,026.42 = 2,477.40 : x
  2. Step 2: Convert to fraction form
    2,916.96/4,026.42 = 2,477.40/x
  3. Step 3: Cross multiply
    2,916.96x = 4,026.42 × 2,477.40
  4. Step 4: Simplify right side
    2,916.96x = 9,975,052.91
  5. Step 5: Solve for x
    x = 9,975,052.91/2,916.96
  6. Step 6: Final answer
    x = 3,419.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.